Damjan Marion | 38c6191 | 2023-10-17 16:06:26 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: Apache-2.0 |
| 2 | * Copyright (c) 2023 Cisco Systems, Inc. |
| 3 | */ |
| 4 | |
| 5 | #ifndef _VNET_DEV_COUNTERS_H_ |
| 6 | #define _VNET_DEV_COUNTERS_H_ |
| 7 | |
| 8 | #include <vnet/dev/dev.h> |
| 9 | |
| 10 | typedef enum |
| 11 | { |
| 12 | VNET_DEV_CTR_DIR_NA, |
| 13 | VNET_DEV_CTR_DIR_RX, |
| 14 | VNET_DEV_CTR_DIR_TX, |
| 15 | } __clib_packed vnet_dev_counter_direction_t; |
| 16 | |
| 17 | typedef enum |
| 18 | { |
| 19 | VNET_DEV_CTR_TYPE_RX_BYTES, |
| 20 | VNET_DEV_CTR_TYPE_RX_PACKETS, |
| 21 | VNET_DEV_CTR_TYPE_RX_DROPS, |
| 22 | VNET_DEV_CTR_TYPE_TX_BYTES, |
| 23 | VNET_DEV_CTR_TYPE_TX_PACKETS, |
| 24 | VNET_DEV_CTR_TYPE_TX_DROPS, |
| 25 | VNET_DEV_CTR_TYPE_VENDOR, |
| 26 | } __clib_packed vnet_dev_counter_type_t; |
| 27 | |
| 28 | typedef enum |
| 29 | { |
| 30 | VNET_DEV_CTR_UNIT_NA, |
| 31 | VNET_DEV_CTR_UNIT_BYTES, |
| 32 | VNET_DEV_CTR_UNIT_PACKETS, |
| 33 | } __clib_packed vnet_dev_counter_unit_t; |
| 34 | |
| 35 | typedef struct vnet_dev_counter |
| 36 | { |
| 37 | char name[24]; |
| 38 | uword user_data; |
| 39 | vnet_dev_counter_type_t type; |
| 40 | vnet_dev_counter_direction_t dir; |
| 41 | vnet_dev_counter_unit_t unit; |
| 42 | u16 index; |
| 43 | } vnet_dev_counter_t; |
| 44 | |
| 45 | typedef struct vnet_dev_counter_main |
| 46 | { |
| 47 | u8 *desc; |
| 48 | u64 *counter_data; |
| 49 | u64 *counter_start; |
| 50 | u16 n_counters; |
| 51 | vnet_dev_counter_t counters[]; |
| 52 | } vnet_dev_counter_main_t; |
| 53 | |
| 54 | #define VNET_DEV_CTR_RX_BYTES(p, ...) \ |
| 55 | { \ |
| 56 | .type = VNET_DEV_CTR_TYPE_RX_BYTES, .dir = VNET_DEV_CTR_DIR_RX, \ |
| 57 | .unit = VNET_DEV_CTR_UNIT_BYTES, .user_data = (p), __VA_ARGS__ \ |
| 58 | } |
| 59 | #define VNET_DEV_CTR_TX_BYTES(p, ...) \ |
| 60 | { \ |
| 61 | .type = VNET_DEV_CTR_TYPE_TX_BYTES, .dir = VNET_DEV_CTR_DIR_TX, \ |
| 62 | .unit = VNET_DEV_CTR_UNIT_BYTES, .user_data = (p), __VA_ARGS__ \ |
| 63 | } |
| 64 | #define VNET_DEV_CTR_RX_PACKETS(p, ...) \ |
| 65 | { \ |
| 66 | .type = VNET_DEV_CTR_TYPE_RX_PACKETS, .dir = VNET_DEV_CTR_DIR_RX, \ |
| 67 | .unit = VNET_DEV_CTR_UNIT_PACKETS, .user_data = (p), __VA_ARGS__ \ |
| 68 | } |
| 69 | #define VNET_DEV_CTR_TX_PACKETS(p, ...) \ |
| 70 | { \ |
| 71 | .type = VNET_DEV_CTR_TYPE_TX_PACKETS, .dir = VNET_DEV_CTR_DIR_TX, \ |
| 72 | .unit = VNET_DEV_CTR_UNIT_PACKETS, .user_data = (p), __VA_ARGS__ \ |
| 73 | } |
| 74 | #define VNET_DEV_CTR_RX_DROPS(p, ...) \ |
| 75 | { \ |
| 76 | .type = VNET_DEV_CTR_TYPE_RX_DROPS, .dir = VNET_DEV_CTR_DIR_RX, \ |
| 77 | .unit = VNET_DEV_CTR_UNIT_PACKETS, .user_data = (p), __VA_ARGS__ \ |
| 78 | } |
| 79 | #define VNET_DEV_CTR_TX_DROPS(p, ...) \ |
| 80 | { \ |
| 81 | .type = VNET_DEV_CTR_TYPE_TX_DROPS, .dir = VNET_DEV_CTR_DIR_TX, \ |
| 82 | .unit = VNET_DEV_CTR_UNIT_PACKETS, .user_data = (p), __VA_ARGS__ \ |
| 83 | } |
| 84 | #define VNET_DEV_CTR_VENDOR(p, d, u, n, ...) \ |
| 85 | { \ |
| 86 | .type = VNET_DEV_CTR_TYPE_VENDOR, .user_data = (p), .name = n, \ |
| 87 | .dir = VNET_DEV_CTR_DIR_##d, .unit = VNET_DEV_CTR_UNIT_##u, __VA_ARGS__ \ |
| 88 | } |
| 89 | |
| 90 | vnet_dev_counter_main_t *vnet_dev_counters_alloc (vlib_main_t *, |
| 91 | vnet_dev_counter_t *, u16, |
| 92 | char *, ...); |
| 93 | void vnet_dev_counters_clear (vlib_main_t *, vnet_dev_counter_main_t *); |
| 94 | void vnet_dev_counters_free (vlib_main_t *, vnet_dev_counter_main_t *); |
| 95 | |
| 96 | format_function_t format_vnet_dev_counters; |
| 97 | format_function_t format_vnet_dev_counters_all; |
| 98 | |
| 99 | static_always_inline vnet_dev_counter_main_t * |
| 100 | vnet_dev_counter_get_main (vnet_dev_counter_t *counter) |
| 101 | { |
| 102 | return (vnet_dev_counter_main_t *) ((u8 *) (counter - counter->index) - |
| 103 | STRUCT_OFFSET_OF ( |
| 104 | vnet_dev_counter_main_t, counters)); |
| 105 | } |
| 106 | |
| 107 | static_always_inline void |
| 108 | vnet_dev_counter_value_add (vlib_main_t *vm, vnet_dev_counter_t *counter, |
| 109 | u64 val) |
| 110 | { |
| 111 | vnet_dev_counter_main_t *cm = vnet_dev_counter_get_main (counter); |
| 112 | cm->counter_data[counter->index] += val; |
| 113 | } |
| 114 | |
| 115 | static_always_inline void |
| 116 | vnet_dev_counter_value_update (vlib_main_t *vm, vnet_dev_counter_t *counter, |
| 117 | u64 val) |
| 118 | { |
| 119 | vnet_dev_counter_main_t *cm = vnet_dev_counter_get_main (counter); |
| 120 | cm->counter_data[counter->index] = val - cm->counter_start[counter->index]; |
| 121 | } |
| 122 | |
| 123 | #define foreach_vnet_dev_counter(c, cm) \ |
| 124 | if (cm) \ |
| 125 | for (typeof (*(cm)->counters) *(c) = (cm)->counters; \ |
| 126 | (c) < (cm)->counters + (cm)->n_counters; (c)++) |
| 127 | |
| 128 | #endif /* _VNET_DEV_COUNTERS_H_ */ |